“Floating” examples of these things include the definite article in the Bambara language. The loss of murmured consonants has led to the development of these things in Punjabi, (10[1])one of the only Indo-European languages to use them. The English-derived Krio developed these features through contact with sub-Saharan African languages, which tend to use these features. (10[1])Variations in these features (10[1])are described by downdrift, one example of which is their namesake “terracing.” An orthographic (-5[1])system devised by Chao uses (10[1])reversed characters to indicate sandhi like the “3-3 rule.” An acute accent represents the first, or rising, one of these things in Pinyin. (10[2])For 10 points, name these linguistic features that use pitch to distinguish meaning. ■END■ (10[1])